What would you do without them? Seriously, if every single battery of every single type were suddenly zapped out of every single thing that it operated, what would any of us do?
Another electric car may be the Ford Focus EV which is available in a limited edition. The drive train from the Ford is manufactured by Magna International. Consequently, the Focus may have one hundred mile range and you will be designed with lithium-ion batteries. This car is going to be sold for a price tag around $30,000.
Use eddy stock the battery. Li-Ion safety circuits do a lot of great things to keep it in good condition, but they're going to go south if you don't use them. There is no wonder they're stored charged to half-capacity. If you most often use your netbook using AC power while you're at home, make sure that you let it run to the point where windows gives critical battery level warning at least two or three times a week.
Much of the response to the threat of Giardia is overkill. A favorite scholarly article on Giardia was written by Robert L. Rockwell, PhD. It's titled, Giardia Lamblia and Giardiasis, With Particular Attention to the Sierra Nevada. Bob Rockwell is an active mountaineer who made his first trip into the Sierra Nevada in 1952 to climb Mt. Whitney, and he repeats this climb several times annually. He has a bachelor's degree in Physics from UC-Berkeley, and a PhD in Aeronautical and Astronautical Engineering (Biomechanics) from Stanford.
Another thing to remember is not to store those batteries in the charger as well. This will draw energy away too, and cause your battery to die off sooner than you expect. Keep it away from high heat or extreme coldness. Heat tends to cause damage to your Lithium battery stocks while exposing it to low temperatures over a period of time will draw its charging capacity.
All power tool batteries degrade over time and Lithium mines Ontario ion batteries degrade more rapidly over periods of un-use. Accordingly, use them often and when you're not in the trenches of a project, try to use them at least once each month.
If your drill didn't come with a second battery (my cordless Bosch drill did) than you will either have to purchase a second battery or take a short break until your battery is ready.
Recharge the battery to full again and repeat the above steps a few more times. This will allow you to use the battery for a longer time and you can do this no more than once a month. Replacement batteries can be expensive and stretching out their use when you are on a budget can help.